Axonopus purpusii
- kingdom: Plantae
- phylum: Tracheophyta
- class: Liliopsida
- order: Poales
- family: Poaceae
- genus: Axonopus
- species: Axonopus purpusii
- Carolina
- Santa Helena
Maranhão- Corumbá
Mato Grosso do Sul- Diamantina
Minas Gerais- Vigia
Pará
Brazil- Bagaces
Guanacaste
Costa Rica- Cayenne
- Kourou
- Saint-Laurent-du-Maroni
Guyane
French Guiana- Huimanguillo
Tabasco
Mexico- Ciudad Bolívar
Bolívar
Venezuela